Home / 592,018.44-816,440.16-387,995.04

Finding the Fourth Proportional to 592,018.44, 816,440.16 and 387,995.04

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Solution

The fourth proportional to 592,018.44, 816,440.16 and 387,995.04 is: 535,075.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,018.44 : 816,440.16 = 387,995.04 : x
  2. Step 2: Convert to fraction form
    592,018.44/816,440.16 = 387,995.04/x
  3. Step 3: Cross multiply
    592,018.44x = 816,440.16 × 387,995.04
  4. Step 4: Simplify right side
    592,018.44x = 316,774,732,536.81
  5. Step 5: Solve for x
    x = 316,774,732,536.81/592,018.44
  6. Step 6: Final answer
    x = 535,075.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.